Which statement best defines a panic attack?

A panic attack is characterized as a sudden episode of intense fear or discomfort that reaches its peak within a very short time, often without any real threat or danger present. During a panic attack, an individual may experience severe physical and psychological symptoms, such as heart palpitations, shortness of breath, dizziness, sweating, trembling, and feelings of impending doom or losing control. This definition underscores the abruptness and intensity of the experience, distinguishing it from other anxiety manifestations.

The other options do not capture the essence of a panic attack. A prolonged period of low anxiety does not reflect the sudden onset and peak of symptoms typical of a panic attack. Similarly, a steady increase in anxiety over time illustrates a different pattern, often seen in generalized anxiety disorders rather than in the acute nature of a panic attack. Lastly, indicating that panic attacks are reactions to external stressors only fails to acknowledge that they can occur unexpectedly and autonomously, often without clear external triggers.